<script setup>
import { User, Lock } from '@element-plus/icons-vue'
import { ref,watch } from 'vue'
import { ElMessage } from 'element-plus'
import { useUserStore } from '@/stores'
import {userRegisterService,userLoginService} from '@/api/user'
import {useRouter} from 'vue-router'
const userStore=useUserStore()
const isRegister = ref(false)
const router=useRouter()
const formModel = ref({
    username: '',
    password: '',
    repassword: '',
})
const form=ref(null)
const rules = {
    username: [{
        required: true, message: '请输入合法的用户名', trigger: 'change'
    },
    { min: 3, max: 10, message: '用户名长度应该为3到10位', trigger: 'change' },],
    password: [{
        required: true, message: '请输入合法的安全密码', trigger: 'change'
    },
    { pattern: /^(?=.*[A-Za-z])(?=.*\d)[A-Za-z\d]{3,20}$/, message: '密码长度为8到20位,并且只限数字和字母', trigger: 'change' }
    ],
    repassword: [
        {
            required: true, message: '请输入合法的安全密码', trigger: 'change'
        },
        { pattern: /^(?=.*[A-Za-z])(?=.*\d)[A-Za-z\d]{3,20}$/, message: '密码长度为8到20位,并且只限数字和字母', trigger: 'change' },
        {
            validator: (rule, value, callback) => {
                if (formModel.value.password !== value) {
                    callback(new Error("两次输入的密码不匹配，请重新输入"))
                }
                else {
                    callback()
                }

            }, trigger: 'blur'
        }
    ]

}
const isTrue=async()=>{
    await form.value.validate()
    await userRegisterService(formModel.value)
    ElMessage({
        message: '恭喜你注册成功,欢迎!',
        type: 'success',
    })
    isRegister.value=false
}
watch(isRegister,()=>{
    formModel.value={
        username:'',
        password:'',
        repassword:''
    }
})
const login=async()=>{
    await form.value.validate()
    const res=await userLoginService(formModel.value)
    userStore.setToken(res.data.token)
    ElMessage.success('你已登陆成功!')
    router.push('/')
    
}
</script>

<template>
    <el-row class="login-page">
        <el-col :span="12" class="bg"></el-col>
        <el-col :span="6" :offset="3" class="form">
            <el-form ref="form" size="large" autocomplete="off" v-if="isRegister" :model="formModel" :rules="rules">
                <el-form-item>
                    <h1>注册</h1>
                </el-form-item>
                <el-form-item prop="username">
                    <el-input :prefix-icon="User" placeholder="请输入用户名" v-model="formModel.username"></el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input :prefix-icon="Lock" type="password" placeholder="请输入密码"
                        v-model="formModel.password"></el-input>
                </el-form-item>
                <el-form-item prop="repassword">
                    <el-input :prefix-icon="Lock" type="password" placeholder="请再次输入密码"
                        v-model="formModel.repassword"></el-input>
                </el-form-item>
                <el-form-item>
                    <el-button class="button" @click="isTrue" type="primary" auto-insert-space>
                        注册
                    </el-button>
                </el-form-item>
                <el-form-item class="flex">
                    <el-link type="info" :underline="false" @click="isRegister = false">
                        ← 返回
                    </el-link>
                </el-form-item>
            </el-form>
            <el-form ref="form" size="large" autocomplete="off" v-else :model="formModel" :rules="rules">
                <el-form-item>
                    <h1>登录</h1>
                </el-form-item>
                <el-form-item prop="username">
                    <el-input :prefix-icon="User" placeholder="请输入用户名" v-model="formModel.username"></el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input name="password" :prefix-icon="Lock" type="password" placeholder="请输入密码" v-model="formModel.password"></el-input>
                </el-form-item>
                <el-form-item class="flex">
                    <div class="flex">
                        <el-checkbox>记住我</el-checkbox>
                        <el-link type="primary" :underline="false">忘记密码？</el-link>
                    </div>
                </el-form-item>
                <el-form-item>
                    <el-button class="button" type="primary" auto-insert-space @click="login">登录</el-button>
                </el-form-item>
                <el-form-item class="flex">
                    <el-link type="info" :underline="false" @click="isRegister = true">
                        注册 →
                    </el-link>
                </el-form-item>
            </el-form>
        </el-col>
    </el-row>
</template>

<style lang="scss" scoped>
.login-page {
    height: 100vh;
    background-color: #fff;

    .bg {
        background: url('@/assets/logo2.png') no-repeat 60% center / 240px auto,
            url('@/assets/login_bg.jpg') no-repeat center / cover;
        border-radius: 0 20px 20px 0;
    }

    .form {
        display: flex;
        flex-direction: column;
        justify-content: center;
        user-select: none;

        .title {
            margin: 0 auto;
        }

        .button {
            width: 100%;
        }

        .flex {
            width: 100%;
            display: flex;
            justify-content: space-between;
        }
    }
}
</style>